Home / 559,938.05-839,910.26-139,213.92

Finding the Fourth Proportional to 559,938.05, 839,910.26 and 139,213.92

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Solution

The fourth proportional to 559,938.05, 839,910.26 and 139,213.92 is: 208,821.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,938.05 : 839,910.26 = 139,213.92 : x
  2. Step 2: Convert to fraction form
    559,938.05/839,910.26 = 139,213.92/x
  3. Step 3: Cross multiply
    559,938.05x = 839,910.26 × 139,213.92
  4. Step 4: Simplify right side
    559,938.05x = 116,927,199,742.82
  5. Step 5: Solve for x
    x = 116,927,199,742.82/559,938.05
  6. Step 6: Final answer
    x = 208,821.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.